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Why is the email signature larger for some users?

Modified on: Thu, Mar 23, 2017 at 8:28 AM

Observations

The email signature looks just fine on your machine's Outlook! Why does it look different on your boss's new laptop? Why does Outlook make your emails look distorted or increased in size for some users?

The culprit here is DPI scaling, a windows setting to aid readers with visual difficulties. This issue is cropping up more and more as new high DPI laptops often have the setting enabled by default.

What is DPI?

DPI, or dots per inch, is a measure of how many dots (or pixels) can fit within a given space.

This issue affects Outlook (desktop)

If you know HTML, you can start HTML coding your email signatures to accommodate for users with desktop scaling.

The challenge for email signature designers is that Outlook doesn't read the HEAD section of the HTML when the email signature is pulled into Outlook > Learn more.

Workaround - How to set Display text size to 100% (default)

Reset your display size to 100%.

Open the DPI scaling on a windows machine by navigating to your display settings > Make text and other items larger or smaller: